the disable snmp access command only disables management access to the switch if you know what port the end client is connecting to you could block port 161 traffic from entering the network so it is dropped at the port level.
in order to do that you first need to delete the port out of vr-default
you should be able to do this with the following command:
configure vr VR-Default delete ports 1:52
you should then be able to add vlans from different vrs to the por...
you can get to the datasheets by selecting products on the homepage then depending on the product line select if you are looking for data center equipment wireless our NMS or our edge to core products that include our exos switches.